首页
登录
职称英语
After a busy day of work and play, the body needs to rest. Sleep is necessary
After a busy day of work and play, the body needs to rest. Sleep is necessary
游客
2025-03-15
27
管理
问题
After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the activities of the previous day. The rest that you get while sleeping enables your body to prepare itself for the next day.
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. (10) Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly (although your eyelids are closed). This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble failing asleep, some people recommend breathing very slowly and very deeply. Other people believed that drinking warm milk will help make you drowsy. There is also an old suggestion that counting sheep put you to sleep! [br] The average number of hours of sleep that an adult needs is
选项
A、approximately six hours
B、around ten hours
C、about eight hours
D、not stated here
答案
D
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3998676.html
相关试题推荐
Afterabusydayofworkandplay,thebodyneedstorest.Sleepisnecessary
Afterabusydayofworkandplay,thebodyneedstorest.Sleepisnecessary
Afterabusydayofworkandplay,thebodyneedstorest.Sleepisnecessary
Inordertolearnaforeignlanguagewell,itisnecessarytoovercomethefe
Inordertolearnaforeignlanguagewell,itisnecessarytoovercomethefe
Inordertolearnaforeignlanguagewell,itisnecessarytoovercomethefe
Inordertolearnaforeignlanguagewell,itisnecessarytoovercomethefe
Saltisasnecessarytolifeaswater.InmanyareasofAfricapeopleonc
Itisnecessaryforstudentstotaketestsatmonthly______.A、intervalsB、times
Thevitaminsnecessaryforahealthybodyarenormallysuppliedbyagoodmi
随机试题
(66)AlongtimeaidetoPresidentBushwhowroteoccasionalguestcolumnsfo
TheCambridgeUnionSociety,commonly【C1】______(refer)tosimplyastheCam
计算简答题:根据所给材料回答问题。(需计算后回答的问题须列出算式;每个问题计算过
下列筹资方式中,常用来筹措短期资金的是()。A.商业信用 B.发行股票 C.
患者66岁,外阴瘙痒3年,发现外阴肿物半年。妇科检查:右侧大阴唇可见一直径约1.
基金监管的基本原则不包括()。A.严格监管原则 B.保障投资人利益原则 C
王某是一名在社区服刑的矫正对象,因诈骗罪被判处有期徒刑2年,因病被暂予监外执行。
能反映长期偿债能力的指标有()。A:资产负债率 B:产权比率 C:有形资产净
钱先生在2016年2月1日存入一笔1000元的活期存款,3月1日取出全部本金,如
着重于施工方案内容、总工期和投资概算内容的单项工程施工组织设计,应在( )编制
最新回复
(
0
)